HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$109+ Cheap flights from Medford to Ontario (MFR - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
MFR — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Medford to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Medford to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Medford (MFR) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$218
(Alaska Airlines)

One-way from

$109
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$329
From Medford to Ontario
Search Deals
One-way flight from Medford to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Medford to Ontario

Cheapest flights from Medford to Ontario
Explore the most affordable flight options available from Medford to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:14 pmMFR - ONT
1 stop5h 59mAlaska Airlines
Wed 7/162:21 pmONT - MFR
1 stop9h 47mAlaska Airlines
Deal found 6/10$218
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:18 amMFR - ONT
1 stop8h 07mDelta
Sat 7/122:14 pmONT - MFR
1 stop7h 18mDelta
Deal found 6/10$219
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:47 pmMFR - ONT
1 stop6h 12mHawaiian Airlines
Sun 9/216:00 amONT - MFR
1 stop5h 25mHawaiian Airlines
Deal found 6/12$267
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:35 pmMFR - ONT
1 stop4h 17mUnited Airlines
Sat 7/126:10 amONT - MFR
1 stop5h 42mUnited Airlines
Deal found 6/10$299
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/145:35 amMFR - ONT
1 stop6h 25mAmerican Airlines
Thu 6/196:23 amONT - MFR
1 stop6h 37mAmerican Airlines
Deal found 6/12$462
This United deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/226:00 amMFR - ONT
1 stop6h 14mMultiple Airlines
Tue 6/246:58 pmONT - MFR
1 stop5h 10mMultiple Airlines
Deal found 6/11$673

Cheapflights Fare Finder

Customize your flight search to find flights from Medford to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Medford to Ontario that are best for you.

Fly from

Medford

Fly to

Ontario

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 7/5

6:14 pm-12:13 am

1 stop5h 59m

Ontario

Wed 7/16

2:21 pm-12:08 am

1 stop9h 47m

$218

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 7/3

6:18 am-2:25 pm

1 stop8h 07m

Ontario

Sat 7/12

2:14 pm-9:32 pm

1 stop7h 18m

$219

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 9/18

5:47 pm-11:59 pm

1 stop6h 12m

Ontario

Sun 9/21

6:00 am-11:25 am

1 stop5h 25m

$267

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 7/5

6:35 pm-10:52 pm

1 stop4h 17m

Ontario

Sat 7/12

6:10 am-11:52 am

1 stop5h 42m

$299

MedfordOntario

MFR - ONT

MFRONT

Medford

Sun 6/22

6:00 am-12:14 pm

1 stop6h 14m

Ontario

Tue 6/24

6:58 pm-12:08 am

1 stop5h 10m

$673

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 7/5

6:14 pm-12:13 am

1 stop5h 59m

$109

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 7/29

2:12 pm-5:43 pm

1 stop3h 31m

$145

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 7/7

6:14 pm-12:13 am

1 stop5h 59m

$228

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 6/19

1:34 pm-6:12 pm

1 stop4h 38m

$239

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 6/19

5:30 pm-10:46 pm

1 stop5h 16m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Medford to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Medford with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Medford to Ontario

What is the cheapest month to book a flight from Medford to Ontario?

Currently, August is the cheapest month in which you can book a flight from Medford to Ontario (average of $246). Flying from Medford to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MFR to ONT?

Find hourly flight availability from Medford to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from Medford to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Medford to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Medford to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Medford to Ontario round-trip?

    Our cheapest airline available from Medford to Ontario is Alaska Airlines. Our recent data shows that you can find tickets from as low as $218 on this airline. Additional options worth looking into are Delta and Hawaiian Airlines, starting at $219 and $267 round-trip. These flights start at 38% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Medford to Ontario one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $109. Users have also found prices from $145 and $228 on United Airlines and Hawaiian Airlines, respectively.

  • Can I find deals for flights from Medford to Ontario that include hotel bookings?

    Yes. In addition to deals on Medford to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Medford to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Medford to Ontario.

  • Can I find deals for business class flights from Medford to Ontario?

    Yes. Cheapflights offers flight deals from Medford to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Medford to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Medford to Ontario (average of $246). Flying from Medford to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Medford to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Los Angeles flights
Portland to Las Vegas flights
Portland to Santa Ana flights
Portland to San Diego flights
Portland to San Francisco flights
Portland to Ontario flights
Portland to Burbank flights
Portland to San Jose flights
Boise to Las Vegas flights
Portland to Sacramento flights
Portland to Reno flights
Boise to Los Angeles flights
Portland to Palm Springs flights
Eugene to Los Angeles flights
Boise to San Diego flights
Portland to Santa Rosa flights
Portland to Oakland flights
Redmond to San Diego flights
Eugene to Las Vegas flights
Boise to San Francisco flights
Boise to Santa Ana flights
Eugene to San Francisco flights
Portland to San Luis Obispo flights
Redmond to Los Angeles flights
Eugene to San Diego flights
Medford to Los Angeles flights
Boise to Sacramento flights
Portland to Santa Barbara flights
Boise to San Jose flights
Portland to Long Beach flights
Portland to Fresno flights
Boise to Ontario flights
Boise to Burbank flights
Medford to Las Vegas flights
Redmond to San Francisco flights
Medford to San Francisco flights
Medford to San Diego flights
Redmond to Las Vegas flights
Eugene to Ontario flights
Eugene to Santa Ana flights
Boise to Long Beach flights
Eugene to Reno flights
Eugene to Oakland flights
Boise to Reno flights
Redmond to Ontario flights
Redmond to Santa Ana flights
Portland to Medford flights
Boise to Santa Rosa flights
Boise to Oakland flights
Eugene to San Jose flights

Top 4 airlines flying from Medford to Ontario

Discover the top 4 airlines that operate flights from Medford to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$399FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$274FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$234Average$327FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$242Average$357FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.